142863 ⎘
Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with an actuating element at the inner ends of the cylinders with two or more series radial piston-cylinder units
Sub-classes:Drive system for chemical injection pumps and instrument air compressors
#2Fluid working machine having first and second valve cylinder devices in fluid communication with each other via a common conduit
#3Method of producing air for ventricular assist system
#4Air supply mechanism for ventricular assist system